256-Position SPI-Compatible Digital Potentiometer
Data Sheet
FEATURES
256-position End-to-end resistance: 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ Compact SOT-23-8 (2.9 mm × 3 mm) pack...
Description
Data Sheet
FEATURES
256-position End-to-end resistance: 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ Compact SOT-23-8 (2.9 mm × 3 mm) package SPI-compatible interface Power-on preset to midscale Single supply: 2.7 V to 5.5 V Low temperature coefficient: 45 ppm/°C Low power, IDD = 8 μA Wide operating temperature: –40°C to +125°C Evaluation board available
APPLICATIONS
Mechanical potentiometer replacement in new designs Transducer adjustment of pressure, temperature, position,
chemical, and optical sensors RF amplifier biasing Gain control and offset adjustment
GENERAL DESCRIPTION
The AD5160 provides a compact 2.9 mm × 3 mm packaged solution for 256-position adjustment applications. These devices perform the same electronic adjustment function as mechanical potentiometers1 or variable resistors but with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance.
256-Position SPI-Compatible Digital Potentiometer AD5160
FUNCTIONAL BLOCK DIAGRAM
VDD
CS S...
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